Codan NGT 2010 RF, Technical & Service Manual

Page: 190 / 840

NGT—Checks and adjustments
156 NGT Transceiver System Technical Service Manual
1
Switch on the transceiver.
The transceiver is now in Service mode. While in Service mode, normal operation is not
possible.
Service channels
The pre-defined service channels for Service mode are shown in Table 46 .
Table 46: Pre-defined service channels for Service mode
Channel Frequency
1
2
3 250 kHz, speaker muted, Tx inhibit
15 MHz, speaker muted, Tx inhibit
30 MHz, speaker muted, Tx inhibit
The following selections start special test functions
4
5 Sweep test the Rx 45 MHz filter
Sweep test the Tx 45 MHz filter
The following channels are defined with LSB/USB/AM/IF2 access modes
7
8 250 kHz
1.1 MHz Receive only
9
10
11 1.6 MHz
1.9 MHz
2.3 MHz
Band 1
12
13
14 2.5 MHz
3.1 MHz
3.6 MHz
Band 2
15
16
17 3.8 MHz
4.6 MHz
5.5 MHz
Band 3
18
19
20 5.7 MHz
7.1 MHz
8.4 MHz
Band 4
21
22
23 8.6 MHz
10.6 MHz
12.9 MHz
Band 5
24
25
26 13.1 MHz
16.1 MHz
19.6 MHz
Band 6
27
28
29
30 19.8 MHz
24.9 MHz
27.2 MHz
29.9 MHz
Band 7
31 19.999 MHz